102144534 has 32 divisors (see below), whose sum is σ = 217300320. Its totient is φ = 31898112.

The previous prime is 102144521. The next prime is 102144547. The reversal of 102144534 is 435441201.

It is an interprime number because it is at equal distance from previous prime (102144521) and next prime (102144547).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21172 + ... + 25544.

It is an arithmetic number, because the mean of its divisors is an integer number (6790635).

Almost surely, 2^102144534 is an apocalyptic number.

102144534 is an abundant number, since it is smaller than the sum of its proper divisors (115155786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102144534 is a wasteful number, since it uses less digits than its factorization.

102144534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102144534 is about 10106.6579045696. The cubic root of 102144534 is about 467.4534583387.

Adding to 102144534 its reverse (435441201), we get a palindrome (537585735).

The spelling of 102144534 in words is "one hundred two million, one hundred forty-four thousand, five hundred thirty-four".